package com.atcd.security_redis_jwt.bean;

import com.alibaba.fastjson.annotation.JSONField;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.authority.SimpleGrantedAuthority;
import org.springframework.security.core.userdetails.UserDetails;

import java.util.Collection;
import java.util.List;
import java.util.stream.Collectors;
import java.util.stream.Stream;


public class LoginUser implements UserDetails {

    private User user;

    //存储权限信息
    private List<String> permissions;


    //存储SpringSecurity所需要的权限信息的集合
    @JSONField(serialize = false) //让他不要序列到redis当中,因为SimpleGrantedAuthority是spring里面提供的，序列化会报错。只需让permissions序列化
    private List<GrantedAuthority> authorities;

    @Override
    public Collection<? extends GrantedAuthority> getAuthorities() {

        if(authorities!=null){
            return authorities;
        }
        System.out.println(permissions);
        //把permissions的权限信息封装为SimpleGrantedAuthority(GrantedAuthority实现类)对象
        //SimpleGrantedAuthority::new就是调用new这个方法，把每一个值传入进去
        authorities = permissions.stream().map(SimpleGrantedAuthority::new).collect(Collectors.toList());
        return authorities;

    }

    @Override
    public String getPassword() {
        return user.getPassword();
    }

    @Override
    public String getUsername() {
        return user.getUserName();
    }

    @Override
    public boolean isAccountNonExpired() {
        return true;
    }

    @Override
    public boolean isAccountNonLocked() {
        return true;
    }

    @Override
    public boolean isCredentialsNonExpired() {
        return true;
    }

    @Override
    public boolean isEnabled() {
        return true;
    }

    public User getUser() {
        return user;
    }

    public void setUser(User user) {
        this.user = user;
    }

    public LoginUser(User user) {
        this.user = user;
    }

    public LoginUser() {
    }


    public LoginUser(User user, List<String> permissions) {
        this.user = user;
        this.permissions = permissions;
    }

    @Override
    public String toString() {
        return "LoginUser{" +
                "user=" + user +
                '}';
    }
}